Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into fixes (7334c675) · Commits · e / devices / android_kernel_xiaomi_markw

arch/arm/include/asm/pmu.h

+0 −10

Original line number	Diff line number	Diff line
		@@ -55,16 +55,6 @@ reserve_pmu(enum arm_pmu_type type);
		extern void
		release_pmu(enum arm_pmu_type type);

		/**
		* init_pmu() - Initialise the PMU.
		*
		* Initialise the system ready for PMU enabling. This should typically set the
		* IRQ affinity and nothing else. The users (oprofile/perf events etc) will do
		* the actual hardware initialisation.
		*/
		extern int
		init_pmu(enum arm_pmu_type type);

		#else /* CONFIG_CPU_HAS_PMU */

		#include <linux/err.h>

+10 −1

Original line number	Diff line number	Diff line
		@@ -343,8 +343,14 @@ validate_group(struct perf_event *event)
		{
		struct perf_event sibling, leader = event->group_leader;
		struct pmu_hw_events fake_pmu;
		DECLARE_BITMAP(fake_used_mask, ARMPMU_MAX_HWEVENTS);

		memset(&fake_pmu, 0, sizeof(fake_pmu));
		/*
		* Initialise the fake PMU. We only need to populate the
		* used_mask for the purposes of validation.
		*/
		memset(fake_used_mask, 0, sizeof(fake_used_mask));
		fake_pmu.used_mask = fake_used_mask;

		if (!validate_event(&fake_pmu, leader))
		return -ENOSPC;
		@@ -396,6 +402,9 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)
		int i, err, irq, irqs;
		struct platform_device *pmu_device = armpmu->plat_device;

		if (!pmu_device)
		return -ENODEV;

		err = reserve_pmu(armpmu->type);
		if (err) {
		pr_warning("unable to reserve pmu\n");

+1 −0

Original line number	Diff line number	Diff line
		@@ -33,3 +33,4 @@ release_pmu(enum arm_pmu_type type)
		{
		clear_bit_unlock(type, pmu_lock);
		}
		EXPORT_SYMBOL_GPL(release_pmu);